Add some options to cmake

Author: JBarberU

CMakeLists.txt

@@ -8,6 +8,10 @@ project ( libjpeg C )
 cmake_minimum_required ( VERSION 2.8 )
 include ( cmake/dist.cmake )
 
+OPTION(BUILD_STATIC OFF)
+OPTION(BUILD_EXECUTABLES ON)
+OPTION(BUILD_TESTS ON)
+
 include ( CheckIncludeFile )
 check_include_file ( stddef.h HAVE_STDDEF_H )
 check_include_file ( stdlib.h HAVE_STDLIB_H )
@@ -31,42 +35,53 @@ set ( SRC jmemnobs.c jaricom.c jcapimin.c jcapistd.c jcarith.c jccoefct.c jccolo
   jidctflt.c jidctfst.c jidctint.c jquant1.c jquant2.c jutils.c jmemmgr.c cderror.h 
   cdjpeg.h jdct.h jinclude.h jmemsys.h jpegint.h jversion.h transupp.h )
 
-add_library ( jpeg ${SRC} ${HEADERS} )
+if ( BUILD_STATIC )
+  add_library ( jpeg STATIC ${SRC} ${HEADERS} )
+else ()
+  add_library ( jpeg ${SRC} ${HEADERS} )
+endif()
+
+if ( BUILD_EXECUTABLES )
+  add_executable ( cjpeg cdjpeg.c cjpeg.c rdbmp.c rdgif.c rdppm.c rdrle.c rdtarga.c 
+    rdswitch.c )
+  add_executable ( djpeg cdjpeg.c djpeg.c wrbmp.c wrgif.c wrppm.c wrrle.c wrtarga.c 
+    rdcolmap.c )
+  add_executable ( jpegtran jpegtran.c cdjpeg.c rdswitch.c transupp.c )
+  add_executable ( rdjpgcom rdjpgcom.c )
+  add_executable ( wrjpgcom wrjpgcom.c )
+  target_link_libraries ( cjpeg jpeg )
+  target_link_libraries ( djpeg jpeg )
+  target_link_libraries ( jpegtran jpeg )
+endif ()
 
-add_executable ( cjpeg cdjpeg.c cjpeg.c rdbmp.c rdgif.c rdppm.c rdrle.c rdtarga.c 
-  rdswitch.c )
-add_executable ( djpeg cdjpeg.c djpeg.c wrbmp.c wrgif.c wrppm.c wrrle.c wrtarga.c 
-  rdcolmap.c )
-add_executable ( jpegtran jpegtran.c cdjpeg.c rdswitch.c transupp.c )
-add_executable ( rdjpgcom rdjpgcom.c )
-add_executable ( wrjpgcom wrjpgcom.c )
-target_link_libraries ( cjpeg jpeg )
-target_link_libraries ( djpeg jpeg )
-target_link_libraries ( jpegtran jpeg )
+if ( BUILD_EXECUTABLES )
+  install_executable ( cjpeg djpeg jpegtran rdjpgcom wrjpgcom )
+endif ()
 
-install_executable ( cjpeg djpeg jpegtran rdjpgcom wrjpgcom )
 install_library ( jpeg )
 install_header ( ${HEADERS} )
 install_doc ( README install.txt usage.txt wizard.txt example.c libjpeg.txt structure.txt 
   coderules.txt filelist.txt change.log )
 
-# tests
-enable_testing ( )
-macro ( mytest name target args input output )
-get_target_property ( _cmdpath ${target} LOCATION )
-add_test ( ${name} ${CMAKE_COMMAND} "-DCOMMAND=${_cmdpath} ${args}" "-DINPUT=${input}" 
-  "-DOUTPUT=${output}" -P ${CMAKE_CURRENT_SOURCE_DIR}/jpeg_test.cmake )
-endmacro ( )
-set ( _src "${CMAKE_CURRENT_SOURCE_DIR}" )
-mytest ( t1 djpeg "-dct int -ppm -outfile testout.ppm ${_src}/testorig.jpg" "${_src}/testimg.ppm" 
-  testout.ppm )
-mytest ( t2 djpeg "-dct int -bmp -colors 256 -outfile testout.bmp ${_src}/testorig.jpg" 
-  ${_src}/testimg.bmp testout.bmp )
-mytest ( t3 cjpeg "-dct int -outfile testout.jpg ${_src}/testimg.ppm" ${_src}/testimg.jpg 
-  testout.jpg )
-mytest ( t4 djpeg "-dct int -ppm -outfile testoutp.ppm ${_src}/testprog.jpg" ${_src}/testimg.ppm 
-  testoutp.ppm )
-mytest ( t5 cjpeg "-dct int -progressive -opt -outfile testoutp.jpg ${_src}/testimg.ppm" 
-  ${_src}/testimgp.jpg testoutp.jpg )
-mytest ( t6 jpegtran "-outfile testoutt.jpg ${_src}/testprog.jpg" ${_src}/testorig.jpg 
-  testoutt.jpg )
+if ( BUILD_TESTS )
+  # tests
+  enable_testing ( )
+  macro ( mytest name target args input output )
+  get_target_property ( _cmdpath ${target} LOCATION )
+  add_test ( ${name} ${CMAKE_COMMAND} "-DCOMMAND=${_cmdpath} ${args}" "-DINPUT=${input}" 
+    "-DOUTPUT=${output}" -P ${CMAKE_CURRENT_SOURCE_DIR}/jpeg_test.cmake )
+  endmacro ( )
+  set ( _src "${CMAKE_CURRENT_SOURCE_DIR}" )
+  mytest ( t1 djpeg "-dct int -ppm -outfile testout.ppm ${_src}/testorig.jpg" "${_src}/testimg.ppm" 
+    testout.ppm )
+  mytest ( t2 djpeg "-dct int -bmp -colors 256 -outfile testout.bmp ${_src}/testorig.jpg" 
+    ${_src}/testimg.bmp testout.bmp )
+  mytest ( t3 cjpeg "-dct int -outfile testout.jpg ${_src}/testimg.ppm" ${_src}/testimg.jpg 
+    testout.jpg )
+  mytest ( t4 djpeg "-dct int -ppm -outfile testoutp.ppm ${_src}/testprog.jpg" ${_src}/testimg.ppm 
+    testoutp.ppm )
+  mytest ( t5 cjpeg "-dct int -progressive -opt -outfile testoutp.jpg ${_src}/testimg.ppm" 
+    ${_src}/testimgp.jpg testoutp.jpg )
+  mytest ( t6 jpegtran "-outfile testoutt.jpg ${_src}/testprog.jpg" ${_src}/testorig.jpg 
+    testoutt.jpg )
+endif ()